The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 1983
Filed:
May. 14, 1981
Applicant:
Inventors:
Otto Rohr, Therwil, CH;
Georg Pissiotas, Lorrach, DE;
Beat Bohner, Binningen, CH;
Kurt Burdeska, Basel, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; A01N / ;
U.S. Cl.
CPC ...
2604 / ; 2604 / ; 71100 ; 71105 ;
Abstract
3-Phenoxy-.alpha.-phenoxy-alkanecarboxylic acid derivatives of the formula ##STR1## Wherein Hal is a halogen atom, n is an integer from 1 to 3, R is an acid function and Z is hydrogen or C.sub.1 -C.sub.4 alkyl, are disclosed as possessing a surprising selective herbicidal activity. Methods are disclosed for combatting weeds in mono- and dicotyledonous cultures such as cereals, corn, rice, soya and cotton, which comprise applying to the locus to be protected from weeds a dosage of from 0.1 to 10.0 kilograms per hectare of the above compounds.